Abstract: The present invention discloses an indenotriphenylene phosphine oxide derivative and an organic electroluminescence device employing the derivative as the phosphorescent host material in the light emitting layer, and/or the hole blocking material and/or the electron transporting material in the organic EL device, which thereby exhibits improved performance.

Abstract: A lamp includes a frame, a light guide plate, a light source and a reflecting structure. The light guide plate is disposed on the frame and includes a light-incident surface, a first light-emitting surface and a second light-emitting surface. The second light-emitting surface is opposite to the first light-emitting surface, in which the light-incident surface connects the first light-emitting surface and the second light-emitting surface. The light source is adjacent to the light-incident surface and the light source is disposed in the frame. The reflecting structure is adjacent to the first light-emitting surface and includes at least two transparent sheets. The two transparent sheets are separated by an air gap, such that at least one light beam emitted from the first light-emitting surface is reflected back to the light guide plate and is emitted out from the second light-emitting surface.

Abstract: A lamp includes a frame, a light guide plate, a light source and a reflecting structure. The light guide plate is disposed on the frame and includes a light-incident surface, a first light-emitting surface and a second light-emitting surface. The second light-emitting surface is opposite to the first light-emitting surface, in which the light-incident surface connects the first light-emitting surface and the second light-emitting surface. The light source is adjacent to the light-incident surface and the light source is disposed in the frame. The reflecting structure is adjacent to the first light-emitting surface and includes at least two transparent sheets. The two transparent sheets are separated by an air gap, such that at least one light beam emitted from the first light-emitting surface is reflected back to the light guide plate and is emitted out from the second light-emitting surface.

Abstract: A foldable electric device comprises a first member, a second member and a pivot portion. The pivot portion is used to pivot the first member and the second member. The first member comprises a first cushion pad and a first magnetic component. The first cushion pad is retractably disposed on a surface of the first member. The first magnetic component is installed in the first member, and synchronously moves with the first cushion pad. The second member comprises a second magnetic component. When the first member and the second member are covered together, with the magnetic effect between the first magnetic component and the second magnetic component, the first cushion pad is linked by the first magnetic unit to protrude from or retract into the first member.

Abstract: A foldable electric device comprises a first member, a second member and a pivot portion. The pivot portion is used to pivot the first member and the second member. The first member comprises a first cushion pad and a first magnetic component. The first cushion pad is retractably disposed on a surface of the first member. The first magnetic component is installed in the first member, and synchronously moves with the first cushion pad. The second member comprises a second magnetic component. When the first member and the second member are covered together, with the magnetic effect between the first magnetic component and the second magnetic component, the first cushion pad is linked by the first magnetic unit to protrude from or retract into the first member.

Abstract: A portable computer and a hinge mechanism thereof are provided. The portable computer includes a display monitor, a host and a hinge mechanism. The hinge mechanism for rotating the display monitor and the host relatively includes a bottom board, a pivot, a power adapter, a locking bracket, a slanting board and a parallel board. The pivot is disposed on the bottom board. Two ends of the pivot are connected with the host and the display monitor respectively. The power adapter is disposed on the bottom board. The locking bracket having a locking hole is disposed on the bottom board. The slanting board disposed on the bottom board slants to the pivot. The slanting board has a first opening which exposes the power adapter. The parallel board disposed on the bottom board is parallel to the pivot. The parallel board has a second opening which exposes the locking hole.

Abstract: A portable computer and a hinge mechanism thereof are provided. The portable computer includes a display screen, a host and a hinge mechanism. The hinge mechanism is connected with the display screen and the host. The hinge mechanism is used for rotating the display screen around the host. The hinge mechanism includes a bottom board, a pivot, a network connecter and a slanting board. The pivot is disposed on the bottom board, wherein one end of the pivot is connected with the host and the other end of the pivot is connected with the display screen. The network connecter is disposed on the bottom board. The slanting board is disposed on the bottom board and slants to the pivot. The slanting board has an opening which exposes the network connecter.

Abstract: A portable computer and a locking mechanism thereof are provided. The portable computer includes a battery, a host and a locking mechanism. The battery has a locking hole. The battery includes a restraining protrusion. The host has a receiving through. The locking mechanism is disposed in the receiving through. The locking mechanism includes a main body and a locking protrusion. The main body has a first restraining concave and a second restraining concave. The locking protrusion is connected to the main body. When the restraining protrusion is placed in the first restraining concave, the locking protrusion is locked in the locking hole, so that the battery is locked in the receiving through. When the restraining protrusion is placed in the second restraining concave, the locking protrusion leaves the locking hole, so that the battery is dismounted from the receiving through.

Abstract: A portable computer and a locking mechanism thereof are provided. The portable computer includes a battery, a host and a locking mechanism. The battery has a locking hole. The battery includes a restraining protrusion. The host has a receiving through. The locking mechanism is disposed in the receiving through. The locking mechanism includes a main body and a locking protrusion. The main body has a first restraining concave and a second restraining concave. The locking protrusion is connected to the main body. When the restraining protrusion is placed in the first restraining concave, the locking protrusion is locked in the locking hole, so that the battery is locked in the receiving through. When the restraining protrusion is placed in the second restraining concave, the locking protrusion leaves the locking hole, so that the battery is dismounted from the receiving through.

Abstract: A portable computer and a hinge mechanism thereof are provided. The portable computer includes a display screen, a host and a hinge mechanism. The hinge mechanism is connected with the display screen and the host. The hinge mechanism is used for rotating the display screen around the host. The hinge mechanism includes a bottom board, a pivot, a network connecter and a slanting board. The pivot is disposed on the bottom board, wherein one end of the pivot is connected with the host and the other end of the pivot is connected with the display screen. The network connecter is disposed on the bottom board. The slanting board is disposed on the bottom board and slants to the pivot. The slanting board has an opening which exposes the network connecter.

Abstract: A portable computer and a hinge mechanism thereof are provided. The portable computer includes a display monitor, a host and a hinge mechanism. The hinge mechanism for rotating the display monitor and the host relatively includes a bottom board, a pivot, a power adapter, a locking bracket, a slanting board and a parallel board. The pivot is disposed on the bottom board. Two ends of the pivot are connected with the host and the display monitor respectively. The power adapter is disposed on the bottom board. The locking bracket having a locking hole is disposed on the bottom board. The slanting board disposed on the bottom board slants to the pivot. The slanting board has a first opening which exposes the power adapter. The parallel board disposed on the bottom board is parallel to the pivot. The parallel board has a second opening which exposes the locking hole.

Abstract: A locking device suitable to lock a locking hole is disclosed. The locking device includes a body having a first locking portion, a locking element suitable to rotate between a first position and a second position, and an elastic element. The locking element includes a connecting portion passing through the body, a second locking portion connected to an end of the connecting portion, and an operating portion connected to another end of the connecting portion. An end of the elastic element is fixed at the body and another end thereof is fixed at the operating portion. The elastic element is elastically compressed between the body and the operating portion. When the locking device is located at the first position, the second locking portion is suitable to lock the locking hole. When the locking element is located at the second position, the second locking portion does not lock the locking hole.

Abstract: A structure for the display module of a portable computer is comprised of a first hinge connecting the body of a portable computer with a first arm, and the first arm connects and supports a display module; a second hinge connecting the body of the portable computer with a second arm, and the second arm connects and supports the display module; and a hard frame including a crossbeam, a first side and a second side, and the first side of the hard frame is connected with the first arm and the second side of the hard frame is connected with the second arm, such that the hard frame covers the first and second arms to provide better structural strength for the display module.